Hindustan Zinc, a Vedanta Group company and India’s largest & only integrated producer of Zinc, Lead & Silver, has bagged the GreenCo Silver rating by CII for its sustainable mining operations. Company’s Rampura Agucha Mine and Zawar Group of Mines have received the Silver Rating for their exemplary performance in waste & material management, green infrastructure & ecology, green supply chain, GHG emissions reduction, renewable energy initiatives, to name a few.